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Product Name：Visual acuity disk (visual disk)

Update time：2021-09-27 14:15:24

Product Details

Macro resolution charts, also known as chart plates, are standard plates used to test the geometric resolution of short-focal-length photographic objectives; they are widely applied in image quality control for small cameras and mobile phone lenses. To meet the needs of modern digital cameras for evaluating the image quality of objectives and CCD lenses, Yuanheng Optoelectronics has successively developed a series of macro resolution charts. Based on the different linear field-of-view requirements of photographic objectives, Yuanheng Optoelectronics produces various sizes of Chart plates ranging from 1 inch to 1/7 inch. The highest resolution can reach 300P/mm. To satisfy the usage requirements of different customers, Yuanheng Optoelectronics has specially designed a universal Chart plate with a contrast ratio of 100:1, reflectivity R<5%, and stripe error <5%.

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Product Name：Visual acuity disk (visual disk)

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